Safety

The national average retail price of diesel fell 11.5 cents to $4.603 a gallon last week, the largest one-week drop in nearly two years and the second consecutive weekly decline, the Department of Energy reported.

U.S. manufacturing was stagnant in July, as factory orders plunged to the lowest level in almost seven years, the Institute for Supply Management said Friday.

Bridgestone Firestone North American Tire said Thursday that it will raise prices by up to 10% on all of its truck, bus, pickup and passenger tires because of higher raw materials costs and persistently high fuel prices.

Goodyear Tire & Rubber Co.’s second-quarter profit rose to $75 million, or 31 cents a share, from $56 million, or 26 cents, in 2007 as stronger international sales offset a slip in the North American market, the company said Thursday.

The U.S. Coast Guard has begun setting dates when truckers and others who enter ports in ports must have the government-issued Transportation Worker Identification Credential, or TWIC, that is meant to prevent terror attacks on the docks.

Engine manufacturer Cummins Inc., said that its second-quarter profits rose to a record as overseas demand bolstered a recovering North American truck-engine market.

Part of Iowa Highway 1 that had been severely damaged by heavy flooding last month has reopened, the state's transportation department said Wednesday.

Covenant Transportation Group said late Tuesday it lost $2.3 million, or 17 cents a share, in the second quarter, compared with a loss of $11.3 million, or 80 cents, a year ago.

Covenant Transportation Group said late Tuesday it lost $2.3 million, or 17 cents a share, in the second quarter, compared with a loss of $11.3 million, or 80 cents, a year ago.